RENNtech ECU Upgrade for C 350 | W203 | 290 HP / 278 LB-FT | MY2006-2007 ferrari-f430--2004-2009--esr1983839 The end result is nothing

The end result is nothing short of spectacular with the RENNtech turbo package gaining up to +186 hp and +111 lb-ft

Left and Right Caliper Duct

The RENNtech sport mufflers on the E 550 (C207) utilize the stock floating tip set up and OEM bumper tips

The highest quality materials are utilized to ensure our wheels are superior overall to any 3-piece design

RENNtech ECU Upgrade for C 350 | W203 | 290 HP / 278 LB-FT | MY2006-2007 ferrari-f430--2004-2009--esr1983839 The end result is nothingRENNtech ECU Upgrade for 203 C 350, up to 290HP, 278LB FT. Gains: +22HP & 20LB FT RENNtech has been at the forefront of ECU tuning since electronic engine management started to show up in vehicles during the mid 1980's! Our experience, countless hours of in house research, development and exhaustive testing ensure that our proprietary ECU upgrade offers incredible performance gains and rock solid daily driver reliability. RENNtech tuning software for